import java.util.Date;

import org.apache.commons.lang3.StringUtils;

public class Main {

	public static void main(String[] args) {
		System.out.println(Long.reverse(12));
		System.out.println(Long.reverse(3458764513820540928L));
		System.out.println(new Date().getTime());
		System.out.println(Long.MAX_VALUE-new Date().getTime());
		String d = "{\\\"ErrorCode\\\"";
		System.out.println(StringUtils.replace(d, "\\", ""));
	}
}
